objective:to analysis the origin, pathology, clinical characteristics and treatment of patients with primary malignant fibrous histiocytoma (mfh)of the larynx.
目的:分析原发性喉恶性纤维组织细胞瘤的起源、病理、临床特点及治疗。
objective objective to study the treatment method and prognosis of primary malignant fibrous histiocytoma of the lung.